Collection: Aquarium Testers

Keep track of your pH, temperature, and salinity with pocket-sized testers. Testers remove the ambiguity of tesing with simple, easy to use functionalities.
8 products
  • Hanna Instruments Alkalinity Checker
    Regular price
    $49.95
    Sale price
    $49.95
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  • Hanna Instruments Calcium Checker (Ca2+)
    Regular price
    $49.95
    Sale price
    $49.95
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  • Hanna Instruments High Range Copper Checker
    Regular price
    $49.95
    Sale price
    $49.95
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  • Hanna Instruments Marine PH Checker
    Regular price
    $49.95
    Sale price
    $49.95
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  • Hanna Instruments Nitrate High Range Checker
    Regular price
    $49.95
    Sale price
    $49.95
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  • Hanna Instruments Phosphate Ultra Low Range Checker
    Regular price
    $49.95
    Sale price
    $49.95
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  • Hanna Instruments Professional Reef Test Kit
    Regular price
    $249.99
    Sale price
    $249.99
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  • Hanna Instruments Salinity Tester
    Regular price
    $69.95
    Sale price
    $69.95
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